20137627904

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{983}}^1\times {\mathrm{1861}}^1$

素因数の和:2903

約数の個数: 72

約数和(自身を含む): 41195364672

約数和(自身を除く): 21057736768

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 983, 1376, 1861, 1966, 2752, 3722, 3932, 5504, 7444, 7864, 11008, 14888, 15728, 29776, 31456, 42269, 59552, 62912, 80023, 84538, 119104, 125824, 160046, 169076, 238208, 251648, 320092, 338152, 476416, 640184, 676304, 1280368, 1352608, 1829363, 2560736, 2705216, 3658726, 5121472, 5410432, 7317452, 10242944, 10820864, 14634904, 20485888, 29269808, 58539616, 78662609, 117079232, 157325218, 234158464, 314650436, 468316928, 629300872, 1258601744, 2517203488, 5034406976, 10068813952, 20137627904]

約数ペア:

[(1, 20137627904), (2, 10068813952), (4, 5034406976), (8, 2517203488), (16, 1258601744), (32, 629300872), (43, 468316928), (64, 314650436), (86, 234158464), (128, 157325218), (172, 117079232), (256, 78662609), (344, 58539616), (688, 29269808), (983, 20485888), (1376, 14634904), (1861, 10820864), (1966, 10242944), (2752, 7317452), (3722, 5410432), (3932, 5121472), (5504, 3658726), (7444, 2705216), (7864, 2560736), (11008, 1829363), (14888, 1352608), (15728, 1280368), (29776, 676304), (31456, 640184), (42269, 476416), (59552, 338152), (62912, 320092), (80023, 251648), (84538, 238208), (119104, 169076), (125824, 160046)]